Overaas, C. K., Johansson, M. S., de Campos, T. F., Ferreira, M. L., Natvig, B., Mork, P. J., & Hartvigsen, J. (2017). Prevalence and pattern of co-occurring musculoskeletal pain and its association with back-related disability among people with persistent low back pain: Protocol for a systematic review and meta-analysis. Syst Rev.

Overaas, Cecilie K., Melker S. Johansson, Tarcisio F. de Campos, Manuela L. Ferreira, Bard Natvig, Paul J. Mork, and Jan Hartvigsen. "Prevalence and Pattern of Co-occurring Musculoskeletal Pain and Its Association With Back-related Disability Among People With Persistent Low Back Pain: Protocol for a Systematic Review and Meta-analysis." Syst Rev 2017.

Overaas, Cecilie K., et al. "Prevalence and Pattern of Co-occurring Musculoskeletal Pain and Its Association With Back-related Disability Among People With Persistent Low Back Pain: Protocol for a Systematic Review and Meta-analysis." Syst Rev 2017.